Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must loo loo you must loo loo she must loo loo we must loo loo you must loo loo they must loo loo
V-ing form
I must be loo looing you must be loo looing she must be loo looing we must be loo looing you must be loo looing they must be loo looing
Perfect
I must have loo looed you must have loo looed she must have loo looed we must have loo looed you must have loo looed they must have loo looed
V-ing perfect
I must have been loo looing you must have been loo looing she must have been loo looing we must have been loo looing you must have been loo looing they must have been loo looing
Negation
Simple form
I must not loo loo you must not loo loo she must not loo loo we must not loo loo you must not loo loo they must not loo loo
V-ing form
I must not be loo looing you must not be loo looing she must not be loo looing we must not be loo looing you must not be loo looing they must not be loo looing
Perfect
I must not have loo looed you must not have loo looed she must not have loo looed we must not have loo looed you must not have loo looed they must not have loo looed
V-ing perfect
I must not have been loo looing you must not have been loo looing she must not have been loo looing we must not have been loo looing you must not have been loo looing they must not have been loo looing
Interrogative form
Simple form
must I loo loo? must you loo loo? must she loo loo? must we loo loo? must you loo loo? must they loo loo?
V-ing form
must I be loo looing? must you be loo looing? must she be loo looing? must we be loo looing? must you be loo looing? must they be loo looing?
Perfect
must I have loo looed? must you have loo looed? must she have loo looed? must we have loo looed? must you have loo looed? must they have loo looed?
V-ing perfect
must I have been loo looing? must you have been loo looing? must she have been loo looing? must we have been loo looing? must you have been loo looing? must they have been loo looing?
Interro-negative form
Simple form
must I not loo loo? must you not loo loo? must she not loo loo? must we not loo loo? must you not loo loo? must they not loo loo?
V-ing form
must I not be loo looing? must you not be loo looing? must she not be loo looing? must we not be loo looing? must you not be loo looing? must they not be loo looing?
Perfect
must I not have loo looed? must you not have loo looed? must she not have loo looed? must we not have loo looed? must you not have loo looed? must they not have loo looed?
V-ing perfect
must I not have been loo looing? must you not have been loo looing? must she not have been loo looing? must we not have been loo looing? must you not have been loo looing? must they not have been loo looing?